utils: show help blurb when run without any arguments

[elogind.git] / src / util.h

diff --git a/src/util.h b/src/util.h
index b411df0cf2fd460bdc55b99b0a6bd01f4703fe79..241031242121c21f46232c375269c248dd431e78 100644 (file)
--- a/src/util.h
+++ b/src/util.h
@@ -30,6 +30,8 @@
 #include <stdio.h>
 #include <signal.h>
 
+#include "macro.h"
+
 typedef uint64_t usec_t;
 
 typedef struct timestamp {
@@ -104,13 +106,25 @@ bool first_word(const char *s, const char *word);
 
 int close_nointr(int fd);
 void close_nointr_nofail(int fd);
+void close_many(const int fds[], unsigned n_fd);
 
 int parse_boolean(const char *v);
 int parse_usec(const char *t, usec_t *usec);
+int parse_pid(const char *s, pid_t* ret_pid);
 
 int safe_atou(const char *s, unsigned *ret_u);
 int safe_atoi(const char *s, int *ret_i);
 
+static inline int safe_atou32(const char *s, uint32_t *ret_u) {
+        assert_cc(sizeof(uint32_t) == sizeof(unsigned));
+        return safe_atou(s, (unsigned*) ret_u);
+}
+
+static inline int safe_atoi32(const char *s, int32_t *ret_u) {
+        assert_cc(sizeof(int32_t) == sizeof(int));
+        return safe_atoi(s, (int*) ret_u);
+}
+
 int safe_atolu(const char *s, unsigned long *ret_u);
 int safe_atoli(const char *s, long int *ret_i);
 
@@ -139,6 +153,7 @@ int read_one_line_file(const char *fn, char **line);
 char *strappend(const char *s, const char *suffix);
 
 int readlink_malloc(const char *p, char **r);
+int readlink_and_make_absolute(const char *p, char **r);
 
 char *file_name_from_path(const char *p);
 bool is_path(const char *p);
@@ -157,9 +172,12 @@ char *delete_chars(char *s, const char *bad);
 char *truncate_nl(char *s);
 
 char *file_in_same_dir(const char *path, const char *filename);
+int safe_mkdir(const char *path, mode_t mode, uid_t uid, gid_t gid);
 int mkdir_parents(const char *path, mode_t mode);
 int mkdir_p(const char *path, mode_t mode);
 
+int rmdir_parents(const char *path, const char *stop);
+
 int get_process_name(pid_t pid, char **name);
 
 char hexchar(int x);
@@ -195,6 +213,8 @@ int make_stdio(int fd);
 
 bool is_clean_exit(int code, int status);
 
+unsigned long long random_ull(void);
+
 #define DEFINE_STRING_TABLE_LOOKUP(name,type)                           \
         const char *name##_to_string(type i) {                          \
                 if (i < 0 || i >= (type) ELEMENTSOF(name##_table))      \
@@ -241,13 +261,27 @@ int sigaction_many(const struct sigaction *sa, ...);
 
 int close_pipe(int p[]);
 
-ssize_t loop_read(int fd, void *buf, size_t nbytes);
+ssize_t loop_read(int fd, void *buf, size_t nbytes, bool do_poll);
+ssize_t loop_write(int fd, const void *buf, size_t nbytes, bool do_poll);
 
 int path_is_mount_point(const char *path);
 
 bool is_device_path(const char *path);
 
-extern char * __progname;
+int dir_is_empty(const char *path);
+
+void rename_process(const char name[8]);
+
+void sigset_add_many(sigset_t *ss, ...);
+
+char* gethostname_malloc(void);
+char* getlogname_malloc(void);
+int getttyname_malloc(char **r);
+int getmachineid_malloc(char **r);
+
+int chmod_and_chown(const char *path, mode_t mode, uid_t uid, gid_t gid);
+
+int rm_rf(const char *path, bool only_dirs, bool delete_root);
 
 const char *ioprio_class_to_string(int i);
 int ioprio_class_from_string(const char *s);